CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (78,158)	$ 1,011	$ 14,710
Change in net unrealized gains (losses) on investments, available-for-sale, net of tax	1,105	14,031	(5,444)
Comprehensive income (loss)	(77,053)	15,042	9,266
Less: comprehensive income (loss) attributable to non-controlling interest, net of tax	0	0	(447)
Comprehensive income (loss) attributable to FedNat Holding Company shareholders	$ (77,053)	$ 15,042	$ 9,713